<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<style type="text/css">
body
{
font-size:70%;
font-family:verdana,helvetica,arial,sans-serif;
}
</style>
<script type="text/javascript">
function cnvs_getCoordinates(e){
x=e.clientX;
y=e.clientY;
	document.getElementById("xycoordinates").innerHTML="Coordinates: (" + x + "," + y + ")";
}
function cnvs_clearCoordinates(){
	document.getElementById("xycoordinates").innerHTML="";
}
</script>
</head>
<body style="margin:0px;">
<p>把鼠标悬停在下面的矩形上可以看到坐标：</p>
<div id="coordiv" style="float:left;width:199px;height:99px;border:1px solid #c3c3c3"
onmousemove="cnvs_getCoordinates(event)"
onmouseout="cnvs_clearCoordinates()">
</div>
<br />
<br />
<br />
<div id="xycoordinates"></div>
</body>
</html>